Description
Inclusion Criteria:
- * gestational age at birth \>= 35 weeks by best obstetrical dating
- * birth weight \> 1800 grams
- * clinical determination of HIE and treatment with hypothermia being initiated within six hours of birth according to institutional guidelines
- * no known congenital abnormalities involving the brain, kidneys, heart or lungs
- * ability to administer theophylline via intravenous route within 12 hours of birth
Exclusion Criteria:
- * infants with suspected or diagnosed significant renal, urinary tract, brain, heart, or lung abnormalities
- * infant with known chromosomal anomaly
- * evidence of head trauma or skull fracture causing major intracranial hemorrhage
- * inability to initiate hypothermia within six hours of birth
- * attending physician unwilling to have infant participate in the study
- * inability to obtain informed consent within 12 hours of birth
Ages Eligible for Study:
1 Hour to 12 Hours (CHILD)
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
No